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102 

 

Appendix D: ATEX and IECEx Certified EX Units 

 
 

1.

 

Labeling 

 
Sierra Instruments Model 240i and 241i ATEX and IECEx Flow Transmitters that have the 
following label attached have been certified in compliance with: 
 

ATEX:

  EN 60079-0:2012, EN 60079-1:2014, EN 60079-31:2014, EN 60529:1991+A1:2000 

IECEx:

  IEC 60079-0:2011, IEC 60079-1:2014, IEC 60079-31:2013, IEC 60529:2001 

 
 
 
 

 

ATEX and IECEx label, 240i/241i 
 

 
The following information is provided as part of the labeling of the transmitter: 
 
• Name and website of the manufacturer: Sierra Instruments, www.sierrainstruments.com  
 
• The Model number, serial number and order number of the device 
 
• Input power and maximum temperature and pressure 
 
• Manufacturing date 
 
• CE Mark 
 
• ATEX/IECEx marking: 
 

Summary of Contents for InnovaMass 240i Series

Page 1: ...InnovaMass iSeries Models 240i 241i Vortex Volumetric Flow Multivariable Mass Vortex Flow Meters Instruction Manual Part Number 24i IM Version D November 2016 ...

Page 2: ...Inc is not liable for any damage or personal injury whatsoever resulting from the use of Sierra Instruments standard mass flow meters for oxygen gas You are responsible for cleaning the mass flow meter to the degree required for your oxygen flow application However some models can only be properly cleaned during the manufacturing process COPYRIGHT SIERRA INSTRUMENTS 2015 No part of this publicatio...

Page 3: ...hapter 4 Troubleshooting Repair 82 Appendix A Product Specifications 85 Appendix B Flow Meter Calculations 97 Appendix C Glossary 99 Appendix D ATEX and IECEx Certified EX Units 102 Appendix E Warranty Policy 115 Get detailed instructions on the Smart Interface Portal SIP software in the Smart Interface Portal instruction manual ...

Page 4: ...ult the flow meter nameplate for specific flow meter approvals before any hazardous location installation Hot tapping must be performed by a trained professional U S regulations often require a hot tap permit The manufacturer of the hot tap equipment and or the contractor performing the hot tap is responsible for providing proof of such a permit All flow meter connections isolation valves and fitt...

Page 5: ...ing carton for damage incurred in shipment If the carton is damaged notify the local carrier and submit a report to the factory or distributor Remove the packing slip and check that all ordered components are present Make sure any spare parts or accessories are not discarded with the packing material Do not return any equipment tothe factory without first contacting Sierra Customer Service Technic...

Page 6: ...Flow Meter Calculations Appendix C Glossary Appendix D ATEX and IECEx Certified EX Units Appendix E Warranty Policy Register Your Product Today Warranty Statement All Sierra products are warranted to be free from defects in material and workmanship and will be repaired or replaced at no charge to Buyer provided return or rejection of product is made within a reasonable period but no longer than on...

Page 7: ...ed productivity and competitiveness The reinvented InnovaMass 240i and 241i delivers a revolution in flow energy management with these new iSeries features Raptor II microprocessor is 10x faster to run robust software applications Field diagnostics validation and adjustment through onboard Smart Interface Portal Rapid update of latest features with field firmware upgrade capability FloPro software...

Page 8: ...ime It has Apps Robust field flexibility with applications like FloPro Dial A Pipe Dial A Fluid and ValidCal Diagnostics Allows for field firmware upgrades of latest features and improvements Real time adjustments for temperature pressure density or compressibility variations improves application flexibility Improves the overall accuracy and flow range with improved external noise cancellation Enh...

Page 9: ... affects sensor 1 a and 1 b equally so the two sets of piezoelectric crystals are configured to cancel out the vibration signal while only sensor 1 b feels the side to side flow signal The waveforms above illustrate the vibration signals from the two opposing sensing beams inside the MassBalance sensor They are designed to be 180 out of phase from each other and when added together effectively eli...

Page 10: ...rectly sized so that the flow velocity range through the meter lies within the measurable velocity range with acceptable pressure drop and the linear range The measurable range is defined by the minimum and maximum velocity using the following table Gas Liquid Vmin 25 𝑓𝑡 𝑠 1 ft s English lb ft3 Vmax 300 ft s 30 ft s Vmin 37 𝑚 𝑠 0 3 m s Metric kg m3 Vmax 91 m s 9 1 m s Figure D Flow Velocity Range ...

Page 11: ...he meter s smart electronics corrects for this non linearity via its simultaneous measurements of the process fluid temperature and pressure This data is then used to calculate the Reynolds number in real time Temperature Measurement InnovaMass flow meters use a 1000 ohm platinum resistance temperature detector PRTD to measure fluid temperature Pressure Measurement InnovaMass flow meters incorpora...

Page 12: ...o those guidelines cannot be met contact the factory for specific installation advice Multivariable Options The 240i or 241i models are available with the following options V volumetric flow meter VT velocity and temperature sensors VTP velocity temperature and pressure sensors Line Size Process Connections Materials The 240i Inline model is built for line sizes 1 through 8 inch flanged design usi...

Page 13: ...t IP66 to EN 60529 is only achieved if certified cable entries are used that are suitable for the application and correctly installed Unused apertures shall be closed with suitable blanking elements 5 For remote installations verify the supplied cable length is sufficient to connect the flow meter sensor to the remote electronics Consult the flow meter nameplate for specific flow meter approvals b...

Page 14: ...er has an ID of 1 939 inches 2 inch schedule 80 Do not install the meter in a pipe with an inside diameter smaller than the inside diameter of the meter For schedule 160 and higher pipe a special meter is required Consult the factory before purchasing the meter The InnovaMass 240i meters require customer supplied gaskets When selecting gasket material make sure that it is compatible with the proce...

Page 15: ...avoid overheating the electronics enclosure When using toxic or corrosive gases purge the line with inert gas for a minimum of four hours at full gas flow before installing the flow meter When installing the meter make sure the body marked with a flow arrow is positioned with the arrow head pointing in the direction of flow Installing the meter opposite this direction will result in completely ina...

Page 16: ...her a cold tap or hot tap method described on the following pages Refer to a standard code for all pipe tapping operations The following tapping instructions are general in nature and intended for guideline purposes only Before installing the meter review the mounting position and isolation value requirements given below Mounting Position Allow clearance between the electronics enclosure top and a...

Page 17: ...probe through a smaller hole 4 Remove all burrs from the tap Rough edges may cause flow profile distortions that could affect flow meter accuracy Also obstructions could damage the sensor assembly when inserting into the pipe 5 After cutting measure the thickness of the cut out and record this number for calculating the insertion depth 6 Weld the flow meter pipe connection on the pipe Make sure th...

Page 18: ...g adapter on the pipe Make sure the mounting adapter is within 5 perpendicular to the pipe centerline See previous page under Isolation Valve Selection The pipe opening must be at least 1 875 inches in diameter 3 Connect a two inch process connection on the mounting adapter 4 Connect an isolation valve on the process connection The valve s full open bore must be at least 1 875 inches in diameter 5...

Page 19: ...r than ten inches the centerline of the sensing head is located in the pipe s cross section five inches from the inner wall of the pipe i e its wetted depth from the wall to the centerline of the sensing head is five inches Standard Probe length S of the stem is 33 5 inches 850 9 mm Compact Probe length is 16 5 inches 419 1 mm Use the Correct Insertion Formula Depending on your flow meter s proces...

Page 20: ...re is given on the next page Figure 5 Insertion Calculation Compression Type Example To install a 241i meter with a standard probe S 32 0 inches into a 14 inch schedule 40 pipe the following measurements are taken F 3 inches R 5 inches t 0 438 inches The insertion length for this example is 23 56 inches Insert the stem through the fitting until an insertion length of 23 56 inches is measured with ...

Page 21: ...to the process connection Use Teflon tape or pipe sealant to improve the seal and prevent seizing on NPT styles 4 Hold the meter securely while loosening the compression fitting Insert the sensor into the pipe until the calculated insertion length I is measured between the base of the enclosure adapter and the top of the stem housing or to the raised face of the flanged version Do not force the st...

Page 22: ... the position is permanent Installation of Meters with Packing Gland Connection Use the following formula to determine insertion depth for meters with a packing gland connection NPT and flanged Figure 7 Insertion Calculation Example To install a 241i Flow Meter with a standard probe S 32 0 into a 14 inch schedule 40 pipe the following measurements are taken F 3 inches R 5 inches t 0 438 inches The...

Page 23: ...To protect your investment and be certain of a long reliable service life we have compiled some guidelines from experience that will aid your installation team in properly protecting the electronics from the application environment These instruments have been designed for and proven reliable in some of the most extreme process conditions in industry Mining Oil and Gas Water Wastewater etc The key ...

Page 24: ... certain to use NPT threads when connecting to the housing Some electrical fittings are not tapered but will fit in the NPT ports of the enclosure Sufficient Teflon tape and pipe dope is recommended to insure a leak tight seal If you are uncertain of the conditions the interior of the housing is subjected to over time a small temporary datalogger can be placed in the housing to record temperature ...

Page 25: ...iring should be rated 80 C 176 F or above Flameproof explosion proof joints should not be repaired contact Sierra Instruments in the event that repair of the joints is necessary General Terminal Board Layout Use the terminal blocks located inside the cap of the flow meter enclosure for all wiring connections Make sure to observe all CE compliance requirements for AC wiring connections given on pag...

Page 26: ... just enough to gain access to the lid locking SHC screw To un lock the lid allowing for removal just turn in the associated SHC screw so that it is no longer in contact with the lid then the lid can be removed There are two lids to be locked on the To avoid potential electric shock follow National Electric Code safety practices or your local code when wiring this unit to a power source and to per...

Page 27: ...nal Earthing The external earthing connections are located on the boss on the outside of both the main housing and remote housing E4 option if ordered and consist of an 18 8SS pan head Phillips screw 10 24 UNC 2B thread and a serrated tooth 10 ring terminal for 16 14 AWG wire 3 Internal Earthing The internal earthing connection is located in the main and remote E4 option if ordered housing termina...

Page 28: ...all connections to 4 43 to 5 31 in lbs 0 5 to 0 6 Nm The Hazardous Area enclosure has two separate conduit entries to maintain separation between AC input power and output signal wiring To eliminate the possibility of noise interference use a separate cable entry for the AC power and signal lines See Figure 11 Figure 11 AC Input Power Connections All wiring procedures must be performed with the po...

Page 29: ...etal cable glands that provide cable screen clamping The cable screen should be connected to the gland and shielded at both ends over 360 degrees The shield should be terminated to an earth ground For all installations not using metal conduit two ferrite beads should be added one on each end of the I O cable This is to maintain CE related EMI RFI protection Good quality highest impedance at 100MHz...

Page 30: ...tput contact is included on the flow meter terminal block The alarm output is driven by an optical relay that is normally open single pole The relay is isolated and requires a separate power supply isolated The voltage of the alarm output is the same as the voltage supplied to the circuit To use an external power supply for an isolated alarm output connect as shown in Figure 15 You may set low hig...

Page 31: ...31 Figure 15 AC or DC Power Supply RS 232 Wiring RS 232 provides serial communication For RS 232 wire per Figure 16 Figure 16 RS 232 Communication ...

Page 32: ...vaMass provides an adjustable pulse output with a maximum of 1 Hz Wire pulse output per Figure 17 Figure 17 Pulse Output USB Output This USB plug J1 is used to connect to the SIP Software per Figure 18 Figure 18 USB Output ...

Page 33: ...ments are calibrated as a complete precision mass flow circuit To make wiring connections from a sensor probe junction box to a remotely mounted enclosure see Figure 19 Note These wires are only present if the pressure option was ordered These wires are only present if the temperature option was ordered Terminal Block Number Remote Cable Wire Color 1 Orange 2 White Black 3 Red Black 4 Orange Black...

Page 34: ...For example if you re updating a value and that value is currently set to 0 pressing the up key will increase the value to the next logical value in our example it would be 1 then 2 3 and so on to 9 then back to 0 Pressing the down button will move the menu selection down or decrement the data entry field if you re updating a menu value For example if you re updating a value and that value is curr...

Page 35: ... up Totalizer page 66 11 Alarms Select Alarm Types page 70 12 Flow Alarms Set Low and High Alarms page 71 13 Outputs Set up and Test All Analog Outputs page 74 14 Reference Conditions Set Normal or Standard page 78 Start up Routine When the meter is first powered up it will cycle through set up data See an example below of the type of screens you will see A then will flash as the meter boots up th...

Page 36: ...bles of Table 1 then return to repeat screens See Table 1 Table 1 Main Menu Level 1 You can turn Off the auto scroll feature by hitting the down arrow Turn Auto Scroll back On again by hitting the up arrow Auto Scroll will default back to on if power is cycled You may scroll through the remaining screens manually By entering you will see the password screen You can also go back using at any time o...

Page 37: ...roll if turned on See note above 5 Alarm 6 Full Scale Flow 7 Dial A Fluid Gas Liquid or Steam Type 8 Dial A Pipe 9 Reference Conditions Pressure 0 00 psia Total Units SCF 0 00 Active Alarm Flow L On Full Scale Flow 100 00 SCFM Dial A Fluid Carbon Dioxide Ref Standard 14 695949 70 0 Dial A Pipe ID Density lb ft3 62 4 ...

Page 38: ...ght buttons to move to the next digit Once the correct password has been entered hit enter to get to the Level 2 Sub Menu shown in Table 2 Table 2 Level 2 Sub Menu Calibration Sub Menu The calibration menu allows you to set up the meter to match the application See Table 3 below for guidance To start move down to the next level by pressing the enter key From this level you can set up Dial A Fluid ...

Page 39: ...change your fluid in the field between air water steam other liquids or other gases The display will show fluid type and list the currently selected fluid Once on the Dial A Fluid screen press enter key Press again until the current selected fluid begins to flash It may take a few seconds to begin to flash Use the up and down keys to select between fluid options then hit enter The selection will s...

Page 40: ...he Dial A Pipe ID screen Use Table 3 Calibration Sub Menu for guidance The display will show pipe inner diameter in the units selected In the example below the inside diameter of the pipe is 6 065000 inches Press enter to cause the first digit the 6 in 6 065000 in our example to begin flashing Use the up and down arrows to select the value 0 to 9 Once done use the right key to move on to the selec...

Page 41: ...t Insertion Depth of the probe where the instrument is located Dial A Pipe Step 3 Pipe roughness does matter The friction losses of the gas moving through the pipe are a major factor in the instruments calculation of the flow profile Navigate to the Pipe Type screen Use Table 3 Calibration Sub Menu for guidance Use this menu screen to complete entering Dial A Pipe data The display will show pipe r...

Page 42: ...t in the Reference Conditions menu SM3 sec SM3 min SM3 hr SM3 day SM3 yr Standard Cubic Meters per unit time Standard conditions are set in the Reference Conditions menu NM3 sec NM3 min NM3 hr NM3 day NM3 yr Normal cubic meters per unit time Normal conditions are set in the Reference Conditions menu SLPS SLPM SLPH SLPD SLPY Standard Liters per unit time Standard conditions are set in the Reference...

Page 43: ...me No Reference Conditions are used m3 sec m3 min m3 hr m3 day m3 yr Meter cubed per unit time No Reference Conditions are used Same as Actual Cubic meters AM3 ft3 sec ft3 min ft3 hr ft3 day ft3 yr Feet cubed per Second Minute Day Hour or Year No Reference Conditions are used Same as Actual Cubic Feet ACF FPS FPM FPH FPD FPY Feet per Second Minute Day Hour or Year No Reference Conditions are used ...

Page 44: ... noise cutoff at zero flow Electrical or Vibrational Noise that the sensor detects from the surrounding application environment e g 60 Hz from power lines can result in flow output when there is no actual flow The Min Noise can be changed in the Meter Tune section Press to proceed to the next Calibration Sub Menu called Vortex coefficient Ck Calibration Sub Menu Vortex Coefficient Ck The Vortex Co...

Page 45: ...tory and is found in the main menu You can press the exit several times to climb back up to the main menu For example if the as found full scale flow in the main menu is And the meter consistently shows a flow of 2 to 3 scfm even with all valves closed and you are sure there are no leaks For example the meter Full Scale Cut off is set just above to This is 5 of the full scale of 100 scfm The analo...

Page 46: ...imb back up to the main menu level or press to proceed to the Calibration Date sub menu Calibration Sub Menu Calibration Date The calibration date is a read only field that shows when the meter was last factory calibrated in MM DD YYYY format Sierra recommends recalibration as required by your metrology policy or when the meter validation routine found in the Smart Interface Portal software detect...

Page 47: ...d density Table 4 Diagnostics Sub Menu Navigate to the Diagnostics Sub Menu Push enter key to reach the next lower level Use the left and right buttons to view the Diagnostics sub menus Meter Status Low High Sensor Tune and Fluid Properties have sub menus Push the enter key to reach the next lower level Meter Status Sub Menu In the Meter Status sub menu you can check the meter status An error cond...

Page 48: ...criptions may be present Flow Sensor Temperature Issues Temperature Overrange Pressure Transducer Issues Pressure Transducer Overrange SD Card Issues UART Issues MCU Voltage Issues Main Board Button Stuck Digicomms Fail Signal Noise A description of each follows Flow Sensor Issues Possible Cause of Error Code 1 The flow sensor may have been damaged This can be caused by water hammer or excessive v...

Page 49: ... Temperature and Pressure this may cause errors in the flow readings as well 240i 241i VT and VTP meters have one 1000 ohm PRTD for measuring process temperature Temperature ranges ST 40F to 392F 40C to 200C Possible Cause of Error Code 1 Temperature channel calibration is incorrect corrupted Solution Contact Sierra for remote troubleshooting If this is not immediately possible temperature may be ...

Page 50: ...roubleshooting If this is not immediately possible temperature may be simulated in the Fluid Properties sub menu 3 Temperature sensor has failed often evidenced by a very HIGH temperature reading on the display Solution Check the Low High sub menu see Table 8 to see if the meter s temperature limits have been exceeded The meter may need to be returned to the factory If this is not immediately poss...

Page 51: ...verrange Since mass flow is determined by calculating density from Temperature and Pressure this may cause errors in the flow readings as well 240i 241i VTP meters have one transducer for measuring process pressure Pressure Ranges MP0 No pressure input incompressible liquids MP1 30 psia MP2 100 psia MP3 300 psia MP4 500 psia Possible Cause of Error Code 1 Process pressure exceeded pressure sensor ...

Page 52: ... SD Card if available Contact Sierra for a replacement SD Card 2 The SD Card is damaged Solution Contact Sierra for replacement card UART Issues 240i 241i meters have multiple Universal Asynchronous Receiver Transmitters UART for communications ex USB Possible Cause of Error Code 1 UART is malfunctioning Solution Contact Sierra for remote troubleshooting The meter may need to be returned to the fa...

Page 53: ...shooting The meter may need to be returned to the factory Digicomms Fail 240i 241i meters can be ordered with Digital Communications Hart Profibus Foundation Fieldbus etc Possible Cause of Error Code 1 Digital Communications malfunction Solution Contact Sierra for remote troubleshooting The meter may need to be returned to the factory If this is not immediately possible output via 4 20 mA RS232 or...

Page 54: ... completed your review of the Meter Status sub menu press exit to return to the sub menus or use the left and right buttons visit other menus in the diagnostics menu see Table 4 Copy of Table 4 Diagnostics Sub Menu Sensor Tune Sub Menu The Sensor Tune sub menu should be used for fine tuning and troubleshooting the meter settings Use the SIP ValidCal Diagnostics routine and Meter Status sub menu to...

Page 55: ...rtex sensor in Hertz The higher the flow the higher the frequency Calculated Frequency f The Calculated Frequency menu displays the expected sensor frequency based on current flow rate and K Factor Calculated Frequency should always be very close to the measured sensor frequency This allows for a valuable real time check that all flow and signal strength inputs are correct Dynamic Frequency Filter...

Page 56: ...4000 and a Gain of 1 0 Minimum Noise Level The Minimum Noise Level menu displays a value used for noise cutoff at zero flow Electrical or vibrational noise that the sensor detects from the surrounding application environment e g 60 Hz from power lines can result in flow output when there is no actual flow In general the Minimum Noise Level should be a value slightly higher than the value of the Am...

Page 57: ...ws for smoothing of noisy flow over time The meter samples the flow every 1 second 1 Hz This value is fixed Output Averaging will compute a rolling average of each reading over the requested time span For example if the value is set to 5 then the flow output will always be a running average of the last 5 seconds of flow K Factor The K Factor menu displays the current value for K Factor The K Facto...

Page 58: ...e value When finished editing push the enter key again to save the value Autoset Value For the Minimum Noise Level and Vortex Coefficient Ck menus the value can be Autoset Use key to navigate to the Autoset window Push the enter key to autoset the value The new value will then be displayed Default Value For the Minimum Noise Level and Vortex Coefficient Ck menus the value can be reset to a default...

Page 59: ...o vortex meter can measure down to zero flow as the velocity must be enough to form the vortices that the meter uses to make its flow measurement In some cases very low noise and vibration the meter may be able to measure lower than the minimum Solution 2 Check the FS Cutoff The FS Cutoff is set as a percent of full scale and the meter will not be allowed to read below the FS Cutoff setting Perhap...

Page 60: ...meter range See case above Again lowering the Minimum Noise Level will allow more noise vibration into the meter and the meter will eventually lose the true flow signal in this noise Solution 4 Check the Output Averaging setting Check the Output Averaging setting The meter may be reacting to actual changes in the flow stream The output can be smoothed using averaging The meter samples the flow eve...

Page 61: ...to move between menu screens under the Fluid Properties sub menu Temperature The Temperature menu displays the current fluid temperature value along with the units Pressure The Pressure menu displays the current fluid pressure value along with the units Density The Density menu displays the current fluid mass density value along with the units The density value is calculated based on Temperature a...

Page 62: ... to the Simulation Value menu Push the enter key and use to edit the value Once the valve is entered push the enter key to save and to reach the fluid properties to scroll through them and exit to go to the Diagnostics submenu Values will remain as simulated until the simulation is turned off This concludes the Meter Tune sub menu Press to exit diagnostic menu Low High Sub Menu The Low High Sub Me...

Page 63: ... the maximum velocities are liquids 30 fps 9 1 mps and gases 300 fps 91 4 mps Exceeding these velocities may damage the temperature and velocity sensors as well as other meter internals exposed to the process flow Vmax The Vmax menu displays the maximum recorded velocity value along with the units Vmin The Vmin menu displays the minimum recorded velocity value along with the units Max Temp The Max...

Page 64: ...Exceeding the maximum pressure rating of the pressure transducer may damage the transducer Pressure Ranges MP1 30 psia MP2 100 psia MP3 300 psia MP4 500 psia Reset Max Min To reset all recorded Max and Min values push the enter key once to bring up the Y value If you wish to proceed with the reset push the enter key again Press exit to return to the diagnostics sub menu Process Temperature and Pre...

Page 65: ...ture Use Table 9 for guidance if necessary The display will show the currently selected temperature unit For example Press enter and the units will begin flashing Use the up and down keys to select The units will flash Once the temperature units have been selected press enter to save Choices Available F Fahrenheit C Celsius K Kelvin R Rankine This concludes our review of the Process Temperature Un...

Page 66: ...b Menu Pressure Units Use this menu to enter the units for pressure Use the enter key to drill down to pressure units selection Press enter and the units will begin flashing Use the buttons to enter the desired information and the enter key to save the value Available units are Psia Psig Bar A Bar G KPa A KPa G Kg CM2 A Kg CM2 G In H2O A In H2O G MM H2O A MM H2O G Once the pressure units have been...

Page 67: ...b menu The units of the pressure in this menu are the same as what was set in the previous menu In the example above the units are 14 700000 Psia since this is what was set in the pressure units sub menu This concludes our review of the Process Pressure menu Press to go to the Temperature Units menu or exit to climb back up to the main menu This concludes our review of the Process Pressure Sub Men...

Page 68: ... press enter to finalize the selection and be automatically sent back to the Totalizer Sub Menu Totalizer Sub Menu Reset Pulse Count From the Totalizer Reset screen press to move to the Reset Pulse Count menu If you need to actually set up the totalizer rather than just reset it to zero navigate to the Unit per pulse screen Use Table 10 above for guidance Use this menu to reset the pulse counter T...

Page 69: ...f of the relay contacts closing and some pull up the relay so when it closes it is a negative 50ms pulse The 240i and 241i can use just the contacts or an approximately 10K pull up resistor Press enter and the units will begin flashing As in previous examples use the buttons to enter the desired value and the enter key to save the value Press the up button or down button to choose the desired puls...

Page 70: ...ulse every 1 scf Since the flow is 100 scfm it will take 1 100 minutes or 0 6 seconds to totalize 1 scf Since the instrument s totalizer is 1 Hz it can t pulse any faster than a maximum rate of once per second 1 Hz In this example the best units per pulse would be 1 7 scf that is over the 1 HZ maximum sampling rate Press enter and the units will begin flashing As in previous examples use the butto...

Page 71: ...ment alarm can be set on one of the following conditions low high or window The Window alarm becomes active when the parameter reads higher or lower than the low high settings when it is outside of its operating window Table 11 Alarm Sub Menu Alarm Sub Menu Active Alarm Navigate to the Active Alarm screen Use Table 11 for guidance In the screen example below the active alarm is Flow Available Choi...

Page 72: ...to the next Sub Menu called Alarm Mode Alarm Sub Menu Alarm Mode Navigate to the Alarm Mode screen Use Table 11 above for guidance Press enter and the variable will begin flashing In the screen example below the active alarm condition is Low For example Available Choices High Low Window Use the buttons to make selection and press enter to save the value Flow Alarms Low and High Alarms The Flow Ala...

Page 73: ...enter the desired numeric value and the enter key to save the value In the example screen below 10 scfm has been entered The units were already set in the units menu If you wanted to set a High Alarm press the right or left key and the High Alarm setup screen will appear If you wanted to set the active alarm on pressure temperature or totalizer instead of flow use Table 11 to navigate to the Activ...

Page 74: ... this screen Press enter and a screen like this will show In the example screen above 70 00 has been entered The units were already set in the units menu If you wanted to set a High Alarm press the right or left key and the High Alarm setup screen will appear To change the settings on either high or low press enter and the units will begin flashing As in previous examples use the buttons to enter ...

Page 75: ... see this screen Temperature and pressure sensors are optional so if this is a V or VT meter the 4 20 outputs will show the T and P as inputted in the Process temperature and pressure sub menu see Table 9 Table 13 Output Sub Menu Use the output adjust menu to view test or adjust the 4 and 20mA raw digital DAC counts value for these parameters as well as to view or adjust the pressure and temperatu...

Page 76: ... 20mA Flow 4mA View Adjust Test Navigate to the Flow 4mA screen in the Output Sub Menu Use Table 13 above for guidance From this menu press enter to get to the flow 4mA setup screen This numeric value is the Digital to Analog Converter DAC value that produces 4mA on the analog flow output In the example screen DAC is 11373 Press enter and the units will begin flashing Increasing this value will ra...

Page 77: ... 100 scfm and 4 mA output equals 0 00000 scfm These values are fixed for flow The output is linear between these two points in this example if we had a flow of 50 scfm the output would be 12mA Once you have completed adjusting and testing the flow pressure and temperature 4 20mA DAC values press the right key to reach the appropriate sub menu and use the buttons to enter the desired numeric value ...

Page 78: ... Low and High 4 20mA values the pressure accuracy is still based on the original 1 of full scale of the pressure transducer option ordered Temperature Outputs Press the right key to continue to the temperature value that corresponds to the 4mA output The temperature units above are the current temperature units you ordered or that you have changed in the calibration sub menu In the example above i...

Page 79: ...ied in the units menu Navigate to the Reference Conditions Sub Menu Use Table 14 for guidance The display will look like this Table 14 Reference Conditions Sub Menu Press enter once and then use the buttons to select Standard or Normal Once this has been selected you will press enter again to see the screens below Use the buttons to toggle between the two screens For example scfm Standard Cubic Fe...

Page 80: ...ter to save the value The default password is 0000 If you have lost your password and can t gain needed access to the setup screens you can contact our service department for a password that would allow you to access the setup screens and setup a new password You can press the exit several times to climb back up to the main menu level or press to proceed to the next Sub Menu called Change Language...

Page 81: ... the buttons to enter YES or NO and press the enter key to save You can press the exit several times to climb back up to the main menu level or press to proceed to the next Sub Menu called Tag Tag Sub Menu Use Tag Sub Menu to give the meter an alphanumeric tag name Navigate to the Tag Sub Menu Use Table 2 for guidance Press enter use the buttons to enter numeric value and press the enter key to sa...

Page 82: ...urn shipping instructions Problem Possible Cause Solution Velocity Measurement is Erratic or Fluctuating Very erratic or non uniform flow Follow installation requirements shown in Chapter 2 Flow meter installed with less than required minimum pipe diameters upstream and downstream of the sensor Follow installation requirements shown in Chapter 2 Insertion sensor probe not mounted securely Sensor p...

Page 83: ... Instrument for Service The following information will help you return your instrument to Sierra Instruments Factory Service Center and will ensure that your order is processed promptly Prices may vary depending on the flow range type of gas and operating pressure of your unit To request detailed pricing contact your local Sierra Instruments distributor or contact one of our offices directly Pleas...

Page 84: ...the following address Sierra Instruments Inc Attention Factory Service Center 5 Harris Court Building L Monterey CA 93940 USA RE RMA your number For Global Service Centers go to http www sierrainstruments com facilities html ...

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Page 97: ...f the pipe ft 2 f Vortex shedding frequency pulses sec K Meter factor corrected for thermal expansion pulses ft 3 QM Mass flow rate lbm sec Qv Volume flow rate ft 3 sec Vf Flowing velocity ft sec Density lbm ft 3 Insertion Flow Meter Calculations Flowing Velocity Volume Flow Rate Mass Flow Rate K f QV V M Q Q c f K f V A Q V V f A V Q f V A V Q f M ...

Page 98: ...Reynolds Number pulses ft Qv Volume flow rate ft 3 sec QM Mass flow rate lbm sec Vf Flowing velocity ft sec Density lbm ft 3 Fluid Calculations The 240i and 241i density and viscosity calculations and values are determined from Sierra proprietary fluid properties algorithm based on temperature and pressure of the fluid ...

Page 99: ...eter of a flow channel E F G H f Frequency of vortices generated in a vortex flow meter usually in Hz Flow Channel A pipe duct stack or channel containing flowing fluid Flow Profile A map of the fluid velocity vector usually non uniform in a cross sectional plane of a flow channel usually along a diameter FM Factory Mutual Ft Foot 12 inches a measure of length Ft 2 Square feet measure of area Ft 3...

Page 100: ...istance temperature detector RTD with platinum as its element Used because of high stability psia Pounds per square inch absolute equals psig atmospheric pressure Atmospheric pressure is typically 14 696 psi at sea level psig Pounds per square inch gauge PV Liquid vapor pressure at flowing conditions psia or bar absolute Q R S T Q Flow rate usually volumetric Rangeability Highest measurable flow r...

Page 101: ...ided by the velocity of the flowing fluid i e St fd V This is an important number for vortex flow meters because it relates the vortex frequency to the fluid velocity Totalizer An electronic counter which records the total accumulated flow over a certain range of time Traverse The act of moving a measuring point across the width of a flow channel U V W X Y Z Uncertainty The closeness of agreement ...

Page 102: ...9 31 2014 EN 60529 1991 A1 2000 IECEx IEC 60079 0 2011 IEC 60079 1 2014 IEC 60079 31 2013 IEC 60529 2001 ATEX and IECEx label 240i 241i The following information is provided as part of the labeling of the transmitter Name and website of the manufacturer Sierra Instruments www sierrainstruments com The Model number serial number and order number of the device Input power and maximum temperature and...

Page 103: ...SEE INSTRUCTIONS 2 Type Approval Standards The Sierra Instruments ATEX IECEx approved flow meters have an EC Type examination certificate issued by FM Approvals and have been approved to the following standards ATEX EN 60079 0 2012 EN 60079 1 2014 EN 60079 31 2014 EN 60529 1991 A1 2000 IECEx IEC 60079 0 2011 IEC 60079 1 2014 IEC 60079 31 2013 IEC 60529 2001 3 Zone Gas Group Category and Temperatur...

Page 104: ... to occur in normal operation but if it does will persist for a short period only 3 2 Gas Grouping Group IIA Propane Group IIB Ethylene Group IIC Hydrogen and Acetylene 3 3 Equipment Category 2GD Zone 2 suitable for Gasses and Dust explosive environments 3 4 Temperature Classification for ATEX Temperature Class Maximum Process temperature C Maximum Surface Temperature C T6 40 70 T5 50 80 T4 85 115...

Page 105: ... instrument will be delivered with the certified ATEX IECEx marking ATEX II 2 G Ex db IIC T3 Gb II 2 D Ex tb IIIC T200 C Db IECEx Ex db IIC T3 Gb Ex tb IIIC T200 C Db The certificate type can be identified from the second group of numbers Feature 2 Approvals on the model code stamped on the nameplate For example 1 NAA Not suitable for hazardous areas Non Agency Approved 2 cFMus Explosion proof for...

Page 106: ...d within 13 inches of the main enclosure 4 5 Particular Recommendations Closing the Cover The safety is guaranteed as long as the covers are correctly screwed and locked The lid locking screws are 10 24 Socket Head Cap Screws SHC Screw that use a 5 32 inch hex head wrench driver to adjust To lock the lids firmly tighten down secure the lid and then back out the associated SHC screw firmly so that ...

Page 107: ...rdered enclosures should be connected to earth ground see section 7 below for more details 5 Remote Electronics Sierra Thermal flow transmitters with E4 in the model code have remote electronics They have a cable with glands between the sensor and the electronics These units are marked with the same label and markings as the non remote E2 configuration one label on each of the two enclosures see s...

Page 108: ... must be connected to a good quality earth The units are provided with internal and external earthing terminals 7 1 External Earthing The external earthing connections are located on the boss on the outside of both the main housing and remote housing E4 option if ordered and consist of an 18 8SS pan head Phillips screw 10 24 UNC 2B thread and a serrated tooth 10 ring terminal for 16 14 AWG wire 7 ...

Page 109: ...service 1 To obtain a Return Materials Authorization RMA go to www sierrainstruments com rma new php to create a Sierra Account 2 Once you have created an account click on the Submit New RMA tab and fill in the RMA form and follow the instructions You will receive an email confirmation once you have submitted your RMA 3 Print a copy of the RMA that now includes RMA and send a copy of the RMA form ...

Page 110: ... cables with these glands These glands are non corrosive and are resistant to salt water weak acids weak alkalis alcohol esters ketones ether gasoline mineral animal vegetable oil RoHS and Deca BDE compliant Warning PLEASE STUDY CAREFULLY ALL PAGES OF THESE INSTRUCTIONS BEFORE INSTALLATION These glands should not be used in any application other than those mentioned here or in our Data Sheets unle...

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Page 114: ...241i agency approval certificates on our website along with all documentation relating to the InnovaMass 240i 241i InnovaMass 240i sierrainstruments com products downloads innovamass 240i InnovaMass 241 sierrainstruments com products downloads innovamass 241i ...

Page 115: ...an one 1 year for calibration and non calibration defects from date of delivery To assure warranty service customers must register their products online on Sierra s website Online registration of all of your Sierra products is required for our warranty process Read complete warranty policy at www sierrainstruments com warranty Register Warranty Online Register now at www sierrainstruments com regi...

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